Home / 683,315,714.45-1,025,148,356.70-198,641,522.45

Finding the Fourth Proportional to 683,315,714.45, 1,025,148,356.70 and 198,641,522.45

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Solution

The fourth proportional to 683,315,714.45, 1,025,148,356.70 and 198,641,522.45 is: 298,013,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,315,714.45 : 1,025,148,356.70 = 198,641,522.45 : x
  2. Step 2: Convert to fraction form
    683,315,714.45/1,025,148,356.70 = 198,641,522.45/x
  3. Step 3: Cross multiply
    683,315,714.45x = 1,025,148,356.70 × 198,641,522.45
  4. Step 4: Simplify right side
    683,315,714.45x = 203,637,030,312,003,648
  5. Step 5: Solve for x
    x = 203,637,030,312,003,648/683,315,714.45
  6. Step 6: Final answer
    x = 298,013,094.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.